RD
Robert Duncan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stark-County, Ohio
Our Model Tree links this Robert Duncan across the 1920, 1930 and 1940 US Censuses in Stark-County, Ohio (XGBoost, ~Confirmed), with identified parents William & Anna — first a son (b.~1913), then head of a 3-person household.
Age 27
b. ~1913
Male
Son
Born: Ohio
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stark-County, Ohio |
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Additional Details | |
| Occupation | New worker |
| Industry | Dry cleaning |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | New Worker |
| Township / Ward | Canton City |
| Est. Birth Year | ~1913 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Duncan | Son | — | 27 | ~1913 |
| Walter Duncan | Son | — | 41 | ~1899 |
| Anna Duncan | Head | — | 69 | ~1871 |
Census Appearances
1920
Stark, Ohio
Son, age 6
Stark, Ohio · implied b. ~1914 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1930
Stark, Ohio
Son, age 17
Stark, Ohio · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1940
Stark-County, Ohio
Son, age 27
Stark-County, Ohio · implied b. ~1913 — 3 household members
| Surname | Duncan |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Ohio |
| 1935 Residence (City) | Canton City |
| 1935 Residence (County) | Stark |
| Occupation | New worker |
| Industry | Dry cleaning |
| Class of Worker | PW |
| Hours Worked | 34 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Robert Duncan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Duncan (~0.92 confidence) and mother Anna Duncan (~0.92 confidence) and father James Duncan (~0.92 confidence) and mother Bessie Duncan (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Duncan
b. ~1858
Source father
● Household
· direct · ~0.92
Mother
Anna Duncan
b. ~1871
Source mother
● Household
· direct · ~0.92
Father
James Duncan
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Bessie Duncan
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Duncan
Son · 1940 · age 27 · b. ~1913 · Ohio
★ You are viewing this record
Sibling
Walter Duncan
Sibling · 1940 · age 41
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Stark-County, Ohio
Open full size
1940 US Federal Census — Stark-County, Ohio
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-03183-00388)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Ernest Roethlisberger | 42 | Head | Conductor | Ohio |
| 42 | Betty Roethlisberger | 41 | Wife | — | Ohio |
| 43 | Earnest Roethlisberger | 14 | Son | — | Indiana |
| 44 | Betty Roethlisberger | 12 | Daughter | — | Ohio |
| 45 | Paul Roethlisberger | 4 | Son | — | Ohio |
| 49 | Jerome Lepari | 51 | Head | Laborer | Italy |
| 50 | Gari Lepari | 51 | Wife | — | Italy |
| 51 | Rose Lepari | 13 | Daughter | — | Ohio |
| 52 | Legend Lepari | 28 | Son | Trackman | Italy |
| 53 | Rose Lepari | 24 | Sister | — | Italy |
| 54 | Anna Duncan | 69 | Head | — | Ohio |
| 55 | Walter R Duncan | 41 | Son | — | Ohio |
| 56 | Robert Duncan THIS PERSON | 27 | Son | New Worker | Ohio |
| 57 | Andrew Henderson | 72 | Head | Plasterer | Ohio |
| 58 | Elizabeth Henderson | 71 | Wife | — | Ohio |
| 59 | George Brooks | 45 | Head | Cook | Greece |
| 60 | Frances Brooks | 25 | Wife | Waitress | Pennsylvania |
| 62 | Velma Joahanning | 38 | Head | Inspector | Ohio |
| 63 | Joseph J Joahanning | 21 | Son | New Worker | Ohio |
| 64 | Katherine Joahanning | 19 | Daughter | New Worker | Ohio |
| 65 | Betty Joahanning | 18 | Daughter | — | Ohio |
| 66 | Mary Joahanning | 17 | Daughter | — | Ohio |
| 67 | Albert Peers | 40 | Head | Hauler | Oklahoma |
| 68 | Goldie Peers | 47 | Housekeeper | — | Ohio |
| 69 | Anna Rebhock | 64 | Lodger | — | Ohio |
| 72 | Robert Fletcher | 34 | Head | Stock Clerk | Ohio |
| 73 | Eunice Fletcher | 31 | Wife | — | Ohio |
| 74 | Robert Fletcher | 12 | Son | — | Ohio |
| 75 | James Fletcher | 11 | Son | — | Ohio |
| 76 | Mary L Fletcher | 9 | Daughter | — | Ohio |
| 77 | Dorothy Ann Fletcher | 4 | Daughter | — | Ohio |
| 78 | Donald Fletcher | 2 | Son | — | Ohio |
| 79 | Patricia Fletcher | 1 | Daughter | — | Ohio |
| 80 | Joseph Fletcher | 4 | Son | — | Ohio |
Pedigree Summary
Robert + 1 sibling
Gen 1 · 4 parents
~0.92
Max depth 4 (1900–1950 window)
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)